This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Experience a charming 1930s version of "infotainment."

This Nevada lake holds its titular natural pyramid and, if the legends are true, a number of dangerous spirits.

Temporary Burning Man sculpture made of two 18-wheelers.

Singing sand that stands as the final remains of an ancient lake.

A tree bears footwear on the loneliest road in America.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

This turn of the century masterpiece has a mysterious goaty interloper.

Golden Gate Park's historic collection of plants.

The remains of a 12th-century chapter house in Golden Gate Park.

A masterpiece in Golden Gate Park by virtue of the artist’s debt.

Art in the form of a winding, man made crack in stone.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

The restored and active Victorian-era final resting place of San Francisco.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

A huge musical instrument played by the ocean.

A modern mechanical planetary system, part of a 10,000 year clock.

The only theatre in the world constructed specifically for sound movement.

Appropriation-friendly collection of books, periodicals, and more.

Furniture tries to escape an abandoned building in San Francisco.

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.